Calculation of Pollution Indicators and Health Hazards of Heavy Elements in Surface Soils in Samarra City. Iraqi Journal of Science, [S. l.], v. 59, n. 3B, p. 1419–1429, 2018. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/443.. Acesso em: 3 jul. 2024.